Monitoring the fluorescence quenching of the pH-sensitive dye Acridine orange, proton accumulation in the presence of an inside-negative transmembrane potential was measured in eel (Anguilla anguilla) intestinal brush-border membrane vesicles. It was demonstrated that the proton accumulation was specifically increased by the presence of the dipeptide glycyl-glycine in the extravesicular space, showing saturation kinetics at increasing dipeptide concentrations and was specifically inhibited by diethylpyrocarbonate. Data reported sugge

H+/glycyl-glycine cotransport in eel intestinal brush border membrane vesicles: studies with the pH-sensitive dye acridine orange

VERRI, Tiziano;MAFFIA, Michele;STORELLI, Carlo
1992

Abstract

Monitoring the fluorescence quenching of the pH-sensitive dye Acridine orange, proton accumulation in the presence of an inside-negative transmembrane potential was measured in eel (Anguilla anguilla) intestinal brush-border membrane vesicles. It was demonstrated that the proton accumulation was specifically increased by the presence of the dipeptide glycyl-glycine in the extravesicular space, showing saturation kinetics at increasing dipeptide concentrations and was specifically inhibited by diethylpyrocarbonate. Data reported sugge
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11587/108598
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